1884
George Sarton, Belgian-American historian of science (died 1956)
George Sarton, Belgian-American historian of science (died 1956)
George Sarton, Belgian-American historian of science (died 1956)
Belgian-American historian of science (1884–1956)
George Sarton, Belgian-American historian of science (died 1956)
George Sarton, Belgian-American historian of science (died 1956)